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Sub-Zero.bundle/Contents/Code/support/missing_subtitles.py

196 lines
8.5 KiB
Python
Executable File

# coding=utf-8
import traceback
import time
import os
from babelfish import LanguageReverseError
from support.config import config, TEXT_SUBTITLE_EXTS
from support.helpers import get_plex_item_display_title, cast_bool, get_language_from_stream
from support.plex_media import is_stream_forced, update_stream_info
from support.items import get_item
from support.lib import Plex
from support.storage import get_subtitle_storage
from subzero.video import has_external_subtitle
from subzero.language import Language
def item_discover_missing_subs(rating_key, kind="show", added_at=None, section_title=None, internal=False, external=True, languages=()):
item_id = int(rating_key)
item = get_item(rating_key)
if kind == "show":
item_title = get_plex_item_display_title(item, kind, parent=item.season, section_title=section_title, parent_title=item.show.title)
else:
item_title = get_plex_item_display_title(item, kind, section_title=section_title)
subtitle_storage = get_subtitle_storage()
stored_subs = subtitle_storage.load(rating_key)
subtitle_storage.destroy()
subtitle_target_dir, tdir_is_absolute = config.subtitle_sub_dir
missing = set()
languages_set = set([Language.rebuild(l) for l in languages])
for media in item.media:
existing_subs = {"internal": [], "external": [], "own_external": [], "count": 0}
for part in media.parts:
update_stream_info(part)
# did we already download an external subtitle before?
if subtitle_target_dir and stored_subs:
for language in languages_set:
if has_external_subtitle(part.id, stored_subs, language):
# check the existence of the actual subtitle file
# get media filename without extension
part_basename = os.path.splitext(os.path.basename(part.file))[0]
# compute target directory for subtitle
# fixme: move to central location
if tdir_is_absolute:
possible_subtitle_path_base = subtitle_target_dir
else:
possible_subtitle_path_base = os.path.join(os.path.dirname(part.file), subtitle_target_dir)
possible_subtitle_path_base = os.path.realpath(possible_subtitle_path_base)
# folder actually exists?
if not os.path.isdir(possible_subtitle_path_base):
continue
found_any = False
for ext in config.subtitle_formats:
if cast_bool(Prefs['subtitles.only_one']):
possible_subtitle_path = os.path.join(possible_subtitle_path_base,
u"%s.%s" % (part_basename, ext))
else:
possible_subtitle_path = os.path.join(possible_subtitle_path_base,
u"%s.%s.%s" % (part_basename, language, ext))
# check for subtitle existence
if os.path.isfile(possible_subtitle_path):
found_any = True
Log.Debug(u"Found: %s", possible_subtitle_path)
break
if found_any:
existing_subs["own_external"].append(language)
existing_subs["count"] = existing_subs["count"] + 1
for stream in part.streams:
if stream.stream_type == 3:
is_forced = is_stream_forced(stream)
if stream.index:
key = "internal"
else:
key = "external"
if not config.exotic_ext and stream.codec.lower() not in TEXT_SUBTITLE_EXTS:
continue
# treat unknown language as lang1?
if not stream.language_code and config.treat_und_as_first:
lang = Language.rebuild(list(config.lang_list)[0])
# we can't parse empty language codes
elif not stream.language_code or not stream.codec:
continue
else:
# parse with internal language parser first
try:
lang = get_language_from_stream(stream.language_code)
if not lang:
if config.treat_und_as_first:
lang = Language.rebuild(list(config.lang_list)[0])
else:
continue
except (ValueError, LanguageReverseError):
continue
if lang:
# Log.Debug("Found babelfish language: %r", lang)
lang.forced = is_forced
existing_subs[key].append(lang)
existing_subs["count"] = existing_subs["count"] + 1
missing_from_part = set([Language.rebuild(l) for l in languages])
if existing_subs["count"]:
# fixme: this is actually somewhat broken with IETF, as Plex doesn't store the country portion
# (pt instead of pt-BR) inside the database. So it might actually download pt-BR if there's a local pt-BR
# subtitle but not our own.
existing_flat = set((existing_subs["internal"] if internal else [])
+ (existing_subs["external"] if external else [])
+ existing_subs["own_external"])
check_languages = set([Language.rebuild(l) for l in languages])
alpha3_map = {}
if config.ietf_as_alpha3:
for language in existing_flat:
if language.country:
alpha3_map[language.alpha3] = language.country
language.country = None
for language in check_languages:
if language.country:
alpha3_map[language.alpha3] = language.country
language.country = None
# compare sets of strings, not sets of different Language instances
check_languages_str = set(str(l) for l in check_languages)
existing_flat_str = set(str(l) for l in existing_flat)
if check_languages_str.issubset(existing_flat_str) or \
(len(existing_flat) >= 1 and Prefs['subtitles.only_one']):
# all subs found
#Log.Info(u"All subtitles exist for '%s'", item_title)
continue
missing_from_part = set(Language.fromietf(l) for l in check_languages_str - existing_flat_str)
if config.ietf_as_alpha3:
for language in missing_from_part:
language.country = alpha3_map.get(language.alpha3, None)
if missing_from_part:
Log.Info(u"Subs still missing for '%s' (%s: %s): %s", item_title, rating_key, media.id,
missing_from_part)
missing.update(missing_from_part)
if missing:
# deduplicate
missing = set(Language.fromietf(la) for la in set(str(l) for l in missing))
return added_at, item_id, item_title, item, missing
def items_get_all_missing_subs(items, sleep_after_request=False):
missing = []
for added_at, kind, section_title, key in items:
try:
state = item_discover_missing_subs(
key,
kind=kind,
added_at=added_at,
section_title=section_title,
languages=config.lang_list.copy(),
internal=cast_bool(Prefs["subtitles.scan.embedded"]),
external=cast_bool(Prefs["subtitles.scan.external"])
)
if state:
# (added_at, item_id, title, item, missing_languages)
missing.append(state)
except:
Log.Error("Something went wrong when getting the state of item %s: %s", key, traceback.format_exc())
if sleep_after_request:
time.sleep(sleep_after_request)
return missing
def refresh_item(item):
if not config.no_refresh:
Plex["library/metadata"].refresh(item)